failure of treatment in cervical cancer patients *dr. zohreh yousefi fellow ship of gynecology...
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Failure of Treatment in Cervical Cancer Patients
*Dr. Zohreh Yousefi fellow ship of gynecology oncology of Mashhad university
Fatemeh Homaee, Marzieh Talebian, Habibollah Esmaily
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Cervical cancer is the second cause of women death of gynecology malignancy which has an important role in our country with mortality rate of 50%.
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Treatment: Surgery or Radiotherapy Surgery is limited to stage IIA of the disease
primary radiotherapy is used for treatment in all stages of the disease.
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indications of Radiotherapy after surgery
for the patients with the medium to high risks factors .
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High risk factors:• vaginal positive margin• lymph nodes involvement • macroscopic involvement of
parameter
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Objective:
To evaluate the indications of postoperative radiotherapy with studying the files of the patients with cervical cancer that had undergone radiotherapy after hysterectomy.
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Materials and Methods
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In this cross-sectional study, 93 patients with cervical cancer who
had undergone radiotherapy after hysterectomy and were referred to
tumor clinics of Ghaem and Omid hospitals 10 years from 1988 to 2008 were studied.
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Inclusion criteria was: performing radiotherapy after hysterectomy in
the patients with cervical cancer and
exclusion criteria was incomplete information of files.
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• Evaluated parameters:• Failure type of Treatment • Overall survival• disease free survival • 1 year, 18 months,• 2 years, 3 years, 5 years
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Statistical analysis:• Chi-square • Log Rank • kaplan-mayer
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Results
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28 patients radical hysterectomy,
55 cases simple hysterectomy 10 cases supracervical
hysterectomy.
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type of treatment after surgery Frequency
Radiotherapy 69
Chemoradiotherapy 16
missing 8
Total 93
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The rate of DFS during 10 yrs
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3 and 5 years DFS were 52% and 74 %
3 and 5 years overall survival were 76.2%, and 67%
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Comparison of DFS according to failures of treatment
TimeSurvival in the group
without failure
Survival in the
group with failure
6 months - 95.6%
1 year - 78.9%
18 months 87.5% 62.5%
2 yrs 87.5% 54.8%
3 yrs 74% 52.6%
4 yrs 74% 49.9%
5 yrs 74% 47%
Result of Log Rank test 52% =P 2 =3.76
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Comparison of DFS according to failures of treatment
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surgeon errors were determined in 64 patients
pathologist errors in 23cases
radiotherapist errors in 6patients
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The rate of DFS during 10 yrs The rate of DFS during 10 yrs according to type of surgeryaccording to type of surgery
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The rate of O.S in the patients
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Frequency of the patients with recurrence according to type of error
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Comparison of the rate of O.S in the patients with failure of treatment
according to its type
Survival)%( 1
year18 months 2 yrs 3 yrs 5 yrs
surgeon 93.9 81.8 74.6 65.5 65.5
Surgeon +patient 85.7 85.7 71.4 47.6 0
Surgeon+
pathologist- - 80 80 80
Pathologist+
radiotherapist- - - - 66.7
Test resultLog
rank0.234 = P 2 =9.27
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Discussion
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The rate of 5-yrs survival: 67%
5-yrs DFS: 74%.
In comparison with the study of Pieterse et al. and Lasry et al., the rate of survival in the present study was lower.
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18 months, 3-yrs, and 5-yrs DFS in the group without errors were 87.5%, 62.5%, 74%and
in the group with errors 52.6%, 74%, 47%
which the difference was
statistically significant (P=0.05).
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Radiotherapy after radical surgery at first stages of cervical cancer increases complications of combined therapy.
Yessaian et al., and the study of the group of Cochrane Gynecology-Oncology
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According to the above reserch:
chemoradiotherpy has increased the rate of overall survival rather than radiotherapy, but it didn’t improve the rate of disease free survival.
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In the present study:failures of treatment in 74 cases.
*Since there was surgeon failure in 64 cases, the most failures was related to surgeon.
About half of the surgeon failures (41%) was unsuitable surgery
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The second more common errors of surgeon was not examination of the patient
before hysterectomy and unawareness of wide tumor extension and parameters
involvement; therefore, unsuitable surgery and remaining of tumor residue after
surgery.
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Conclusion
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There were failures in 69.9% of cases which this rate is high that it should be removed with attempts of the pathologist, the radiotherapist, and especially the surgeon.
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Thank you